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Finding the Fourth Proportional to 482,337.44, 664,858.72 and 380,197.28

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Solution

The fourth proportional to 482,337.44, 664,858.72 and 380,197.28 is: 524,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,337.44 : 664,858.72 = 380,197.28 : x
  2. Step 2: Convert to fraction form
    482,337.44/664,858.72 = 380,197.28/x
  3. Step 3: Cross multiply
    482,337.44x = 664,858.72 × 380,197.28
  4. Step 4: Simplify right side
    482,337.44x = 252,777,476,928.28
  5. Step 5: Solve for x
    x = 252,777,476,928.28/482,337.44
  6. Step 6: Final answer
    x = 524,067.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.